Search a number
-
+
2551050101 = 12497204133
BaseRepresentation
bin1001100000001101…
…1110111101110101
320120210020202212002
42120003132331311
520211032100401
61101045505045
7120134365565
oct23003367565
96523222762
102551050101
11109a001776
125b2412185
13318694802
141a2b3cda5
15ede61a6b
hex980def75

2551050101 has 4 divisors (see below), whose sum is σ = 2551266732. Its totient is φ = 2550833472.

The previous prime is 2551050079. The next prime is 2551050119. The reversal of 2551050101 is 1010501552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 632522500 + 1918527601 = 25150^2 + 43801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2551050101 is a prime.

It is a super-2 number, since 2×25510501012 = 13015713235624220402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551050001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89570 + ... + 114563.

It is an arithmetic number, because the mean of its divisors is an integer number (637816683).

Almost surely, 22551050101 is an apocalyptic number.

It is an amenable number.

2551050101 is a deficient number, since it is larger than the sum of its proper divisors (216631).

2551050101 is a wasteful number, since it uses less digits than its factorization.

2551050101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216630.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 2551050101 is about 50507.9211708421. The cubic root of 2551050101 is about 1366.3847176117.

Adding to 2551050101 its reverse (1010501552), we get a palindrome (3561551653).

The spelling of 2551050101 in words is "two billion, five hundred fifty-one million, fifty thousand, one hundred one".

Divisors: 1 12497 204133 2551050101